51 33 000 Removing and installing/replacing power window unit in left or right front door (Security)

WARNING: This page is about a different car, the 2010 BMW 550i, 2009 BMW 550i, and 2008 BMW 550i. However, it is still accessible from the selected car via links, so may be relevant.

Necessary preliminary tasks:

Remove front DOOR WINDOW GLASS

IMPORTANT: The insides of the windows have a polycarbonate coating which must not be damaged or scratched.
Clean with antistatic plastic cleaner only.

Slacken screws (1) at bottom.

Tightening torque: see 2AZ in 51 33 POWER WINDOWS, FRONT

Fig 1: Identifying Screws

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Release screws (1) on power window unit at top.

Tightening torque: see 2AZ in 51 33 POWER WINDOWS, FRONT

Fig 2: Identifying Screws On Power Window Unit

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Release cable tie (2).

Disconnect plug connection on drive (1).

Raise power window unit and remove past lower screwing points downwards completely.

Installation:

Make sure that power window rails are parallel, readjusting if necessary.

When installing power window unit, replace anti-rattle protector (foam pad) between power window motor and protective mat if necessary.

Fig 3: Identifying Cable Tie

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Replacement:

Make sure that spindle protection tubes at top are sealed with plugs (1).

Fig 4: Identifying Plugs

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NOTE: The power window unit must be normalized after it has been installed.
Operating sequence for normalization:

Open corresponding window completely.
Operate corresponding power window switch in "Close" position (second switch stage).
Once the upper end position has been reached, hold power window switch in position for approx. 500 secs. longer.
Check function.

IMPORTANT: Power windows have no anti-trapping mechanism. There is no "Close" one-touch function or "Close" comfort function in the Security version.